Home / 431,644.23-595,869.60-307,545.21

Finding the Fourth Proportional to 431,644.23, 595,869.60 and 307,545.21

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Solution

The fourth proportional to 431,644.23, 595,869.60 and 307,545.21 is: 424,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,644.23 : 595,869.60 = 307,545.21 : x
  2. Step 2: Convert to fraction form
    431,644.23/595,869.60 = 307,545.21/x
  3. Step 3: Cross multiply
    431,644.23x = 595,869.60 × 307,545.21
  4. Step 4: Simplify right side
    431,644.23x = 183,256,841,264.62
  5. Step 5: Solve for x
    x = 183,256,841,264.62/431,644.23
  6. Step 6: Final answer
    x = 424,555.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.